zainab ali mohsen<br />Introduction<br />Nutrition plays a crucial role in kidney health, and red meat has received significant attention in recent years due to its potential association with the deterioration of kidney function, especially among individuals at risk of chronic kidney disease (CKD). Growing scientific evidence suggests that excessive red meat consumption may be linked to a gradual decline in kidney efficiency, highlighting the importance of understanding this connection from a health and dietary perspective.<br /><br />Biological Mechanism of Impact<br />Increased Protein Load on the Kidneys:<br />Red meat contains a high level of animal protein, which leads to an increase in glomerular filtration rate (hyperfiltration) as an initial compensatory response. Over time, this condition may result in glomerular damage and a progressive decline in kidney function.<br /><br />Increased Nitrogenous Compounds:<br />The breakdown of protein produces urea and creatinine, which are waste products excreted by the kidneys. Excessive consumption of red meat leads to the accumulation of these compounds, placing additional stress on the kidneys.<br /><br />Saturated Fats and Inflammation:<br />Red meat, especially processed meat, contains high levels of saturated fats, which contribute to increased inflammation and oxidative stress—factors known to accelerate kidney damage.<br /><br />Higher Risk of Hypertension:<br />High consumption of red meat, particularly processed varieties, has been associated with elevated blood pressure—a major risk factor for kidney disease.<br /><br />Scientific Evidence<br />According to a study published in BMC Public Health in 2025, which examined the relationship between red meat consumption and the decline of kidney function among adults, it was found that individuals who consumed red meat five times or more per week were significantly more likely to experience a reduction in estimated glomerular filtration rate (eGFR) compared to those who consumed red meat less than twice a week.<br /><br />The study also revealed that this association was more evident among individuals with chronic conditions such as diabetes and hypertension, suggesting a cumulative dietary impact on kidney disease risk.<br /><br />Recommendations<br />Limit red meat intake to a maximum of twice per week, preferably choosing unprocessed and lean cuts.<br /><br />Focus on alternative protein sources such as legumes, fish, and poultry, which have been shown to have a lower impact on kidney health.<br /><br />Maintain a healthy lifestyle that includes a balanced diet, regular physical activity, and routine medical monitoring of kidney function, particularly for individuals at higher risk.<br /><br />Conclusion<br />The available scientific evidence indicates a clear relationship between excessive red meat consumption and the decline in kidney function, especially among individuals with chronic health conditions. Based on these findings, adopting healthy dietary patterns that reduce red meat intake may help support long-term kidney health.<br /><br /> Scientific Source:<br />Zhang, Y. et al. (2025). Red meat consumption and kidney function: a population-based study in adults. BMC Public Health, 25, Article 22560.<br />Al-Mustaqbal University the first university in Iraq